PIF Antenna Integration in Hearing Aids to Reduce Signal Interference
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Solution Overview
Problem
The challenge of integrating conventional antenna units or antenna elements for wireless signal transmission into compact hearing aids, particularly in-the-ear (ITE) devices, is becoming increasingly difficult due to space constraints, which affects the design and functionality of these devices.
Innovation Solution
A hearing aid design featuring a housing with a base plate and housing shell, incorporating a transmitting and receiving unit with a first antenna arm and a shielding element, allowing for a PIF antenna configuration that minimizes interference from electronic units, enabling efficient wireless communication without the need for additional matching elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If hearing aids are designed to be compact and space-saving, then wearing comfort and discretion are improved, but the ability to accommodate conventional antenna units deteriorates
Solution Approach 1:
The patent merges the antenna unit with the housing structure by integrating the antenna element into the housing shell or base plate. This combination eliminates the need for separate antenna components, allowing the antenna to be accommodated within the compact hearing aid volume without requiring additional installation space.
Solution Approach 2:
The housing structure serves multiple functions: it provides mechanical protection, structural support, and simultaneously acts as the antenna element for wireless communication. The base plate or housing shell is designed to function both as a structural component and as an RF antenna, enabling space-efficient integration.
2Adaptability or versatility
If conventional antenna units are integrated into compact hearing aids, then wireless communication is enabled, but signal interference from electronic units increases
Solution Approach 1:
The patent extracts the antenna function from conventional antenna units and implements it directly through the housing structure. By using the housing shell or base plate as the antenna element, the design eliminates the need for separate antenna components that would be positioned near electronic units, thereby reducing signal interference while maintaining wireless communication capability.
3Volume of moving object
If antenna units are optimized for compact hearing aids, then space is saved, but design freedom and optimization possibilities are reduced
Solution Approach 1:
The patent applies local quality by designing the housing structure with specific RF properties in certain regions. The base plate or housing shell is configured with particular geometries, materials, or conductive properties in specific areas to optimize antenna performance while maintaining overall compactness. This allows targeted optimization of the antenna function within the constrained space.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design provides greater freedom in antenna unit optimization, reduces signal interference, and allows for a simpler amplifier function, enhancing wireless communication capabilities while maintaining a compact form factor.
Implementation Method 1
a transmitting and receiving unit for transmitting and receiving electromagnetic waves, in particular for radio signals
Implementation Method 2
a shielding element for shielding the first antenna arm against a number of electrical and/or electronic units
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a hearing aid (2) comprising a housing (4) with a base plate (6) and with a housing shell (8), comprising a number of electrical and/or electronic units (12) and comprising a transmitter and receiver unit (20) for transmitting and receiving electromagnetic waves, wherein the number of electrical and/or electronic units (12) are attached to the base plate (6), wherein the transmitter and receiver unit (20) comprises an electronic circuit (18) for generating a transmission signal and an antenna unit (24) coupled thereto, and wherein the antenna unit (24) comprises a first antenna arm (28) and a shielding element (26) for shielding the first antenna arm (28) against the number of electrical and/or electronic units (12).